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This model demonstrates gravity as a local ruler contraction without dark matter, suggesting new astronomical implications.
Flat-spacetime scalar gravity model: gravity as local, radial ruler contraction from density gradients (s ≈ 1 - κ ∫ ρ ds, κ = 7.39 × 10^5 m² kg⁻¹ from Gaia DR3 Perseus Arm). Reproduces inner/outer rotation curves without dark matter, LIGO h = 10⁻²¹ from shear projection, redshift via scale mismatch (no tired light). Predictions: JWST z>5 SN stretch, Swarm SAA ray spike, NANOGrav nHz background. Raw version—language unpolished. Full derivations in text, code in appendix.
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Boris Karagiannis (2026) studied this question.
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